This table controls which entities the DC-OAM Management component should join to as master. Each join is represented by a row in this table. The status of each join is represented by a read-only object within each row. DC-MPLS OAM Manager requires a single join of type AMB_OAMM_MJ_I3 in order for it to go operStatusUp. Additional joins must be programmed in order to support specific DC-MPLS OAM manager function. - A single join of type AMB_OAMM_MJ_FRI is required if DC-MPLS OAM Manager is to report faults status as determined by OAM function. - One or more joins of type AMB_OAMM_MJ_BFDI must be programmed to enable DC-MPLS OAM Manager to intitiate BFD sessions. - One or more joins of type AMB_OAMM_MJ_LPI must be programmed to enable DC-MPLS OAM Manager to intitiate LSP Ping transactions. - One or more joins of type AMB_OAMM_MJ_PMI must be programmed to enable DC-MPLS OAM Manager to intitiate Performance Monitoring sessions.